On or about Saturday, April 8, and Sunday, April 9, between midnight and 5 a.m., several 20-minute stoppages will occur on the westbound Dulles International Airport Access Highway (DIAAH) near mile marker 1.7 (8/10 mile past the Centreville Road bridge).

Drivers are asked to use caution remain attentive to all signage, barricades and speed limits, and obey all police and flagger instructions.

See below for more detailed information. All work is weather permitting.

Where: From mile marker 2.7 to 1.4 (from 1/10 mile before the Centreville Road bridge to 2/10 mile before the Route 28 overpass). Single left lane closed from 7 p.m. to 10 p.m., transitioning to two left lanes closed from 10 p.m. to 5 a.m.

What: Two left lanes closed, 20 minute stoppages will occur between midnight and 5 a.m.

Where: From mile marker 2.7 to 1.4 (from 1/10 mile before the Centreville Road bridge to 2/10 mile before the Route 28 overpass). Single left lane closed from 7 p.m. to 10 p.m., transitioning to two left lanes closed from 10 p.m. to 5 a.m., with 20 minute stoppages occurring between midnight and 5 a.m.